Verrucaria insularis (A. Massal.) Jatta
Selection criteria. Country: British Isles. Associated organism: any
Number of records. 5.
Locations. state not noted.
Associated organisms. Aspicilia calcarea; Caloplaca sp.; Lecanora albescens.
Literature. Cannon, Hawksworth & Sherwood-Pike (1985); Hawksworth (1983); Hawksworth, James & Coppins (1980) page(s) 103.